Finding the Fourth Proportional to 2,864.42, 3,954.82 and 2,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.42 : 3,954.82 = 2,200.10 : x
2. Step 2: Convert to fraction form
   2,864.42/3,954.82 = 2,200.10/x
3. Step 3: Cross multiply
   2,864.42x = 3,954.82 × 2,200.10
4. Step 4: Simplify right side
   2,864.42x = 8,700,999.48
5. Step 5: Solve for x
   x = 8,700,999.48/2,864.42
6. Step 6: Final answer
   x = 3,037.61